Report / Department of Operations Research, Statistics, and System TheoryOn the nonexistence of a strong solution in the boundary problem for a sticky Brownian motion / R.J. ChitashviliMonotonicity of performance measures in a processor sharing queue / P.R. de Waal, N.M. van DijkTheory of goodness of fit tests and scanning innovation martingales / E.V. KhmaladzeWaiting times in polling systems with Markovian server routing / O.J. Boxma, J.A. WeststrateWorkloads and waiting times in single-server systems with multiple customer classes / O.J. BoxmaSimple approximations for second moment characteristics of the sojourn time in the M/G/1 processor sharing queue / J.L. van den BergRandom Markov processes and uniform martingales / S. KalikowSequencing and scheduling : algorithms and complexity / E.L. Lawler ... [et al.]Almost disturbance decoupling by measurement feedback : a frequency domain analysis / J.W. van der WoudeOn a class of N-dimensional associated random walks and the hitting point identity / J.W. CohenOn rates of convergence and asymptotic normality in the multiknapsack problem / S.A. van de Geer, L. StougieScheduling around a small common due date / J.A. Hoogeveen, S.L. van de VeldeSojourn times in queueing networks / O.J. Boxma, H. DadunaScheduling identical jobs on uniform parallel machines / M.I. Dessouky ... [et al.]Disjoint homotopic paths and trees in a planar graph / A. SchrijverThe M/G/1 queue with permanent customers / O.J. Boxma, J.W. CohenStochastic realization problems / J.H. van SchuppenApplications of polyhedral combinatorics to multicommodity flows and compact surfaces / A. SchrijverShort proofs on multicommodity flows and cuts / A. SchrijverOn the structure at infinity of a structured system / J.W. van der WoudeAssociated distributions in the analysis of two-dimensional random walks / J.W. CohenInterconnected networks of queues with randomized arrival and departure blocking / P.R. de Waal, N.M. van DijkOn SLLN for martingales with deterministic quadratic variation / K.O. Dzhaparidze, P.J.C. SpreijMinimality of descriptor representations under external equivalence / M. Kuijper, J.M. SchumacherMinimizing maximum earliness and maximum lateness on a single machine / J.A. HoogeveenOptimization of polling systems / O.J. Boxma, H. Levy, J.A. WeststratePerformance analysis of transaction driven computer systems via queueing analysis of polling models / W.P. Groenendijk, H. LevyOn cutting planes and matrices / A.M.H. GerardsSystem identification of lossless layered media from input-output data / J.W. van der WoudeOn density estimation in the view of Kolmogorov's ideas in approximation theory / R. Hasminskii, I. IbragimovOptimal choice of sample fraction in extreme-value estimation / L. de Haan, A.L.M. DekkersStochastic approximation of the MLE for a spatial point pattern / R.A. Moyeed, A.J. BaddeleyCones of matrices and setfunctions, and 0-1 optimization / L. Lovász, A. SchrijverOn the uniqueness of kernels / A. SchrijverOn a local limit theorem for lattice distribution / N.G. GamkrelidzeAnalysis of Christofides' heuristic : some paths are more difficult than cycles / J.A. HoogeveenThe M/G/1 queue with processor sharing and its relation to a feedback queue / J.L. van den BergTime to failure, time to repair and availability of a two-unit standby system with Markovian degrading units / F.A. van der Duyn Schouten, P. WartenhorstPolynomial-time algorithms for single-machine multicriteria scheduling / J.A. Hoogeveen, S.L. van der Velde